Catabolic Activity of Desulfotomaculum ruminis Bacteria in a Medium Containing Fluorides
K. Szymańska1, F. Domka1*, T.Wójtowicz2
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1 Department of Kinetics and Catalysis, Faculty of Chemistry, Adam Mickiewicz University,
60-780 Poznań, ul. Grunwaldzka 6, Poland
2 Faculty of Commodity Science, Economic Academy,
Aleja Niepodleglości 10, 60-967 Poznań, Poland
Pol. J. Environ. Stud. 2004;13(1):97-101
The effect of soluble fluorine species in different concentrations on the catabolic activity of Desulfotomaculum ruminis bacteria has been studied. The fluoride concentrations tolerated by and toxic to the bacteria have been determined. The degree of fluorine species toxicity was found to depend on the form in which fluorine is introduced into the medium and increases in the following order: NaF { NH4 { ZnF2 { { Na2SiF6 { ZnSiF6 { CdF2. The results indicate that the difference between the concentrations tolerated by and toxic to the bacteria was very small.
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